LangChain incident

Sandbox Performance Degraded

Resolved after 8 days 15 hours, affecting LangSmith Sandboxes, on October 14, 2026.

monitoring Oct 14, 2026, 08:08 PM UTC

We've identified the issue as a bad host and resolved. Monitoring for any abnormalities.

Started
Oct 14, 2026, 07:47 PM UTC
Resolved
Oct 23, 2026, 11:18 AM UTC
Duration
8d 15h
Detected by Pingoru
Oct 14, 2026, 07:47 PM UTC

Affected components

LangSmith Sandboxes

Update timeline

  1. investigating Oct 14, 2026, 07:47 PM UTC

    Following a caching change sandbox performance is experiencing some degradation. We are investigating.

  2. monitoring Oct 14, 2026, 08:08 PM UTC

    We've identified the issue as a bad host and resolved. Monitoring for any abnormalities.

  3. resolved Oct 23, 2026, 11:18 AM UTC

    The bad host has been removed from the fleet and we aren’t seeing any issues.

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